V.I CONTENTS. 



CHAPTER YT. 



PAGE 



GENERAL PRINCIPLES OF SCIENTIFIC ARRANGEMENT . . . 118 



CHAPTER Til. 



BRIEF NOTICE OF THE SCIENTIFIC CULTIVATION OF BRITISH 



BEES 142 



CHAPTER VIII. 



A NEW ARRANGEMENT OF BRITISH BEES, WITH ITS RA- 

 TIONALE, AND AN INTRODUCTION TO THE FAMILY, SUB- 

 FAMILIES, SECTIONS, AND SUBSECTIONS 153 



CHAPTER IX. 



A TABLE, EXHIBITING A METHOD OF DETERMINING THE 



GENERA OF BRITISH BEES WITH FACILITY .... 17< 



EASY DISTRIBUTION OF THE BEES 176 



CHAPTER X. 



THE SCIENTIFIC ARRANGEMENT AND DESCRIPTION OF THE 

 GENERA, WITH LISTS OF OUR NATIVE SPECIES, AND AN 

 ACCOUNT OF THE HABITS AND ECONOMY OF THE IN- 

 SECTS, WITH INCIDENTAL OBSERVATIONS SUGGESTED 

 BY THE SUBJECT 184 



ANDRENIDJE (SUBNORMAL BEES) 185 



GEN. 1. COLLETES 185 



GEN. 2. PROSOPIS 191 



GEN. 3. SPHECODES 196 



GEN. 4. ANDRENA 200 



GEN. 5. CILISSA 211 



GEN. 6. HALICTUS 214 



GEN. 7. MACROPIS 220 



GEN. 8. DASYPODA . 224 



